<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="班级" prop="studentClass">
        <el-input
          v-model="queryParams.studentClass"
          placeholder="请输入班级"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学号" prop="studentId">
        <el-input
          v-model="queryParams.studentId"
          placeholder="请输入学号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学生姓名" prop="studentName">
        <el-input
          v-model="queryParams.studentName"
          placeholder="请输入学生姓名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程编号" prop="courseId">
        <el-input
          v-model="queryParams.courseId"
          placeholder="请输入课程编号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程名称" prop="courseName">
        <el-input
          v-model="queryParams.courseName"
          placeholder="请输入课程名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
<!--      <el-form-item label="推荐分数" prop="referScore">-->
<!--        <el-input-->
<!--          v-model="queryParams.referScore"-->
<!--          placeholder="请输入推荐分数"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
      <el-form-item label="选课学期" prop="semester">
        <el-input
          v-model="queryParams.semester"
          placeholder="请输入选课学期"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
<!--      <el-form-item label="备注" prop="remark">-->
<!--        <el-input-->
<!--          v-model="queryParams.remark"-->
<!--          placeholder="请输入备注"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['courseSelect:recommend:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['courseSelect:recommend:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['courseSelect:recommend:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['courseSelect:recommend:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="recommendList" @selection-change="handleSelectionChange">
<!--      <el-table-column type="selection" width="55" align="center" />-->
      <el-table-column label="序号" align="center" prop="uuid" />
      <el-table-column label="班级" align="center" prop="studentClass" />
      <el-table-column label="学号" align="center" prop="studentId" />
      <el-table-column label="学生姓名" align="center" prop="studentName" />
<!--      <el-table-column label="课程编号" align="center" prop="courseId" />-->
      <el-table-column label="课程名称" align="center" prop="courseName" />
      <el-table-column label="推荐分数" align="center" prop="referScore" />
<!--      <el-table-column label="选课学期" align="center" prop="semester" />-->
<!--      <el-table-column label="${comment}" align="center" prop="STATUS" />-->
<!--      <el-table-column label="备注" align="center" prop="remark" />-->
<!--      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">-->
<!--        <template slot-scope="scope">-->
<!--          <el-button-->
<!--            size="mini"-->
<!--            type="text"-->
<!--            icon="el-icon-edit"-->
<!--            @click="handleUpdate(scope.row)"-->
<!--            v-hasPermi="['courseSelect:recommend:edit']"-->
<!--          >修改</el-button>-->
<!--          <el-button-->
<!--            size="mini"-->
<!--            type="text"-->
<!--            icon="el-icon-delete"-->
<!--            @click="handleDelete(scope.row)"-->
<!--            v-hasPermi="['courseSelect:recommend:remove']"-->
<!--          >删除</el-button>-->
<!--        </template>-->
<!--      </el-table-column>-->
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改课程推荐对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="班级" prop="studentClass">
          <el-input v-model="form.studentClass" placeholder="请输入班级" />
        </el-form-item>
        <el-form-item label="学号" prop="studentId">
          <el-input v-model="form.studentId" placeholder="请输入学号" />
        </el-form-item>
        <el-form-item label="学生姓名" prop="studentName">
          <el-input v-model="form.studentName" placeholder="请输入学生姓名" />
        </el-form-item>
        <el-form-item label="课程编号" prop="courseId">
          <el-input v-model="form.courseId" placeholder="请输入课程编号" />
        </el-form-item>
        <el-form-item label="课程名称" prop="courseName">
          <el-input v-model="form.courseName" placeholder="请输入课程名称" />
        </el-form-item>
        <el-form-item label="推荐分数" prop="referScore">
          <el-input v-model="form.referScore" placeholder="请输入推荐分数" />
        </el-form-item>
        <el-form-item label="选课学期" prop="semester">
          <el-input v-model="form.semester" placeholder="请输入选课学期" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listRecommend, getRecommend, delRecommend, addRecommend, updateRecommend } from "@/api/courseSelect/recommend";

export default {
  name: "Recommend",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 课程推荐表格数据
      recommendList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        studentClass: null,
        studentId: null,
        studentName: null,
        courseId: null,
        courseName: null,
        referScore: null,
        semester: null,
        STATUS: null,
        remark: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        createTime: [
          { required: true, message: "创建时间不能为空", trigger: "blur" }
        ],
        updateTime: [
          { required: true, message: "修改时间不能为空", trigger: "blur" }
        ],
        studentClass: [
          { required: true, message: "班级不能为空", trigger: "blur" }
        ],
        studentId: [
          { required: true, message: "学号不能为空", trigger: "blur" }
        ],
        studentName: [
          { required: true, message: "学生姓名不能为空", trigger: "blur" }
        ],
        courseId: [
          { required: true, message: "课程编号不能为空", trigger: "blur" }
        ],
        courseName: [
          { required: true, message: "课程名称不能为空", trigger: "blur" }
        ],
        referScore: [
          { required: true, message: "推荐分数不能为空", trigger: "blur" }
        ],
        semester: [
          { required: true, message: "选课学期不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询课程推荐列表 */
    getList() {
      this.loading = true;
      listRecommend(this.queryParams).then(response => {
        this.recommendList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        uuid: null,
        createTime: null,
        updateTime: null,
        studentClass: null,
        studentId: null,
        studentName: null,
        courseId: null,
        courseName: null,
        referScore: null,
        semester: null,
        STATUS: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.uuid)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加课程推荐";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const uuid = row.uuid || this.ids
      getRecommend(uuid).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改课程推荐";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.uuid != null) {
            updateRecommend(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addRecommend(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const uuids = row.uuid || this.ids;
      this.$modal.confirm('是否确认删除课程推荐编号为"' + uuids + '"的数据项？').then(function() {
        return delRecommend(uuids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('courseSelect/recommend/export', {
        ...this.queryParams
      }, `recommend_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
